How fast would you need to travel a) to escape the gravitational pull of the
sun? (MS = 1.99 x 10^30 kg, dS = 6.96 x 10^8 m) b) As the sun begins to die, it
will become a red giant. This means that its mass will remain the same but its
diameter will increase substantially (perhaps even out as far as Earth’s orbit!).
When the sun becomes a red giant, will its escape speed be greater than, less
than, or the same as, it is now?